4.9 Based on 1181 reviews 
Description
Metal Surge Unit – Type 2 SPD with 100A Main Switch
⚡ WCED WMCU440SP Whitecliffe
The WCED WMCU440SP Whitecliffe Metal Unit 100A Main Switch and Type 2 SPD Surge Protection (also called a metal surge arrestor unit with main breaker) gives your electrical system solid protection and control in one compact setup. This Type 2 surge protection device helps meet the latest 18th Edition BS7671 regulations, providing protection against voltage spikes caused by lightning or power switching.
Installed between the meter and the consumer unit, this surge breaker unit comes pre-fitted with a 100A main switch and a 2-pole 40kA SPD. The sturdy 4-module metal enclosure ensures long life and full compliance for homes, offices, and industrial panels.
🧰 What You Get – Pre-Wired Metal SPD Unit
- 4-module metal enclosure
- 1 x 100A main switch
- 1 x Type 2 SPD (2-pole, 40kA)
- Fully pre-assembled for quick installation
- Dimensions: W: 130mm | H: 258mm | D: 110mm
🔧 Key Features of the Whitecliffe SPD Metal Enclosure
- Dual Protection – Combines main switch and surge protection
- Type 2 SPD (40kA) – Guards against indirect lightning and surge events
- 100A Main Breaker – Provides safe shut-off for downstream circuits
- Sturdy Metal Build – Strong casing boosts durability and safety
- Easy to Install – Perfect for updating installs to current standards
🏠 Applications – WMCU440SP Metal Unit with SPD
You can use this all-in-one SPD unit in:
- Homes – Protect appliances and panels
- Shops & Offices – Secure lighting and electronics
- Industrial Units – Ensure safe power to machines and controls
🔗 Looking for Plastic Versions?
We also offer plastic SPD units or Type 1+2 kits for installs needing broader or lighter protection. If this enclosure is to high, we have the same devices in a smaller enclosure – WCED Whitecliffe WME440SP Metal Meter Supply Isolator with Type 2 Surge Protection
📝 Summary – Metal SPD Unit with Built-In Main Switch
The WCED WMCU440SP SPD Surge Protection Unit gives you fast, code-compliant protection and shutoff in one metal housing. With a 100A main breaker and Type 2 SPD, it’s ready for any residential, commercial, or light industrial setup.
